import { describe, expect, test } from "vitest";

import { extractAfterSearchRates } from "../src/shared/extract-after-search-rates";

describe("extractAfterSearchRates", () => {
  test("extracts rates from explicit keys", () => {
    const result = extractAfterSearchRates({
      metrics: {
        personal_video_after_search_rate: "0.5% - 1%",
        single_video_after_search_rate: "1% - 3%"
      }
    });

    expect(result).toMatchObject({
      extractorLevel: "exact-key",
      matched: true,
      success: true,
      rates: {
        personalVideoAfterSearchRate: "0.5% - 1%",
        singleVideoAfterSearchRate: "1% - 3%"
      }
    });
    expect(result.rawPathHints).not.toHaveLength(0);
  });

  test("extracts rates from the commerce seed base info response keys", () => {
    const result = extractAfterSearchRates({
      avg_a3_incr_cnt: "20,000 - 100,000",
      avg_search_after_view_rate: "<0.02%",
      avg_search_after_view_rate_rank_percent: "0.25",
      personal_avg_search_after_view_rate: "0.02 - 0.1%",
      personal_avg_search_after_view_rate_rank_percent: "0.9"
    });

    expect(result).toMatchObject({
      extractorLevel: "exact-key",
      matched: true,
      success: true,
      rates: {
        personalVideoAfterSearchRate: "0.02% - 0.1%",
        singleVideoAfterSearchRate: "<0.02%"
      }
    });
  });

  test("extracts rates from normalized label and value pairs", () => {
    const result = extractAfterSearchRates({
      cards: [
        {
          metrics: [
            {
              label: "单条视频看后搜率",
              value: "0.5%-1%"
            },
            {
              label: "个人视频看后搜率",
              value: "1% - 3%"
            }
          ]
        }
      ]
    });

    expect(result).toMatchObject({
      extractorLevel: "label-value",
      matched: true,
      success: true,
      rates: {
        personalVideoAfterSearchRate: "1% - 3%",
        singleVideoAfterSearchRate: "0.5% - 1%"
      }
    });
  });

  test("falls back to bounded text extraction when labels are only present in local text", () => {
    const result = extractAfterSearchRates({
      cardTitle: "种草价值",
      summary:
        "单视频看后搜率 0.5% - 1% ，个人视频看后搜率 1% - 2%，该达人近30天表现稳定"
    });

    expect(result).toMatchObject({
      extractorLevel: "text-fallback",
      matched: true,
      success: true,
      rates: {
        personalVideoAfterSearchRate: "1% - 2%",
        singleVideoAfterSearchRate: "0.5% - 1%"
      }
    });
  });

  test("keeps partial matches as non-success", () => {
    const result = extractAfterSearchRates({
      metrics: [
        {
          label: "个人视频看后搜率",
          value: "1% - 2%"
        }
      ]
    });

    expect(result).toMatchObject({
      extractorLevel: "label-value",
      matched: true,
      success: false,
      rates: {
        personalVideoAfterSearchRate: "1% - 2%"
      }
    });
  });

  test("returns an unmatched result for unrelated payloads", () => {
    expect(extractAfterSearchRates({ foo: "bar" })).toMatchObject({
      extractorLevel: "none",
      matched: false,
      success: false
    });
  });
});